1 files changed, 82 insertions, 0 deletions
diff --git a/include/util/TypeInfo.hpp b/include/util/TypeInfo.hpp
new file mode 100755
index 0000000..3ca4b57
--- /dev/null
+++ b/include/util/TypeInfo.hpp
@@ -0,0 +1,82 @@
+#ifndef __TYPEINFO_H
+#define __TYPEINFO_H
+
+#include <typeinfo>
+#include <string>
+#include <stdexcept>
+#include <cstdlib>
+
+#if defined( __GNUG__ ) && defined( __GLIBCXX__ )
+
+#include <cxxabi.h>
+
+std::string demangle( const std::type_info &info )
+{
+	enum { BUFLEN = 200 };
+	char *buf;
+	std::size_t buflen = BUFLEN;
+	int status;
+	char *res;
+	
+	// pass a malloced buffer (required by cxa_demangle)
+	buf = (char *)malloc( BUFLEN );
+	
+	// res may point to buf or be realloced depending on whether the
+	// demangling had enough space or not
+	res = __cxxabiv1::__cxa_demangle( info.name( ), buf, &buflen, &status );
+	
+	// throw exception if this goes wrong, because we don't want to have
+	// have code reacting on failed demangling or wrong type information!
+	if( status != 0 || res == NULL ) {
+		throw std::runtime_error( "__cxa_demangle failed!" );
+	}
+	
+	// construct string on stack and return it, free original buffer
+	std::string s( res );
+	free( res );
+	
+	return s;
+}
+	
+#else
+
+#ifdef _WIN32
+
+// TODO: maybe extract into a generic stringutils module
+void replaceAll( std::string &s, const std::string &from, const std::string &to )
+{
+	if( from.empty( ) ) {
+		return;
+	}
+	
+	size_t pos = 0;
+	while( ( pos = s.find( from, pos ) ) != std::string::npos ) {
+		s.replace( pos, from.length( ), to );
+		pos += to.length( );
+	}
+}
+
+std::string demangle( const std::type_info &info )
+{
+	std::string name = info.name( );
+	
+	// MSVC marks metatypes, nice, but gcc doesn't, falling
+	// back as we can't do the same for gcc
+	replaceAll( name, "class ", "" );
+	// TODO: much more to follow, this is currently just enough
+	// for the module registry structure with base class
+	// signature only
+	
+	return name;
+}
+
+#else
+
+#error "type.name() demangling not implemented!"
+
+#endif // _WIN32
+
+
+#endif // defined( __GNUG__ ) && defined( __GLIBCXX__ )
+
+#endif // __TYPEINFO_H